Epstein, Richard L. 1947-.
Predicate logic: the semantic foundations of logic /
Richard L. Epstein 
. - Belmont : Wadsworth/Thomson Learning,  2001 
. - 412 p.  schem.  23 cm. 
<br/>К.: Бібліогр. : c. 376-381, Index 
<br/><label>  ISBN: </label>0-534-55846-1